Is that so? I know that military ranks are found in various services, like the armed forces, police and intelligence agencies.
Yeah! Had it ever been attained?  Military ranks are a system of hierarchical relationships in armed forces, police, intelligence agencies or other institutions
Field marshal is the highest military rank
Military ranks are a system of hierarchical relationships in armed forces, police, intelligence agencies or other institutions organized along military lines.
Фельдмаршал - это высшее воинское звание
Воинские звания - это система иерархических взаимоотношений в вооруженных силах, полиции, разведывательных службах или других учреждениях, организованных по военному принципу.